:root {
  color-scheme: dark;
  --bg: #101214;
  --bg-2: #15181b;
  --panel: rgba(24, 28, 31, 0.94);
  --panel-strong: rgba(31, 36, 40, 0.98);
  --panel-soft: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(208, 255, 113, 0.24);
  --text: #f4f7f2;
  --muted: #a2aca4;
  --accent: #d2ff72;
  --accent-strong: #9fd238;
  --accent-soft: rgba(210, 255, 114, 0.12);
  --danger: #ff7c7c;
  --success: #78d98d;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  --radius: 1.35rem;
  --radius-lg: 1.7rem;
  --safe-bottom: max(1rem, env(safe-area-inset-bottom));
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f0ede3;
  --bg-2: #f6f2e9;
  --panel: rgba(255, 255, 255, 0.92);
  --panel-strong: rgba(255, 255, 255, 0.98);
  --panel-soft: rgba(20, 25, 20, 0.05);
  --border: rgba(18, 25, 18, 0.1);
  --border-strong: rgba(53, 94, 25, 0.22);
  --text: #112014;
  --muted: #617064;
  --accent: #355e19;
  --accent-strong: #284612;
  --accent-soft: rgba(53, 94, 25, 0.1);
  --danger: #b13a3a;
  --success: #2f7b42;
  --shadow: 0 22px 70px rgba(17, 32, 20, 0.1);
}

* {
  box-sizing: border-box;
  min-width: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-height: 100dvh;
  color: var(--text);
  font-family: "Segoe UI", "Helvetica Neue", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(210, 255, 114, 0.1), transparent 24rem),
    radial-gradient(circle at bottom left, rgba(84, 180, 107, 0.08), transparent 26rem),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  overflow-x: hidden;
}

body.is-overlay-open {
  position: fixed;
  inset: 0;
  width: 100%;
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
}

.app-shell {
  max-width: 1120px;
  margin: 0 auto;
  min-height: 100dvh;
  width: 100%;
  padding: max(0.75rem, env(safe-area-inset-top)) 1rem calc(7.5rem + var(--safe-bottom));
  overflow-x: clip;
}

.topbar,
.section-head,
.hero,
.row-actions,
.nav-tabs,
.metric-grid,
.grid-two,
.filter-grid,
.quick-set-hero,
.sheet-header,
.sheet-actions,
.picker-toolbar,
.helper-row,
.session-dock,
.goal-grid,
.simple-row,
.chart-meta {
  display: flex;
  gap: 0.85rem;
}

.topbar,
.section-head,
.hero,
.sheet-header,
.picker-toolbar,
.simple-row,
.chart-meta,
.session-dock {
  justify-content: space-between;
  align-items: center;
}

.brand-block {
  display: grid;
  gap: 0.35rem;
}

.topbar {
  padding: 0.4rem 0 1rem;
  margin-bottom: 0.65rem;
  padding-inline: 0.25rem;
  position: relative;
}

.brand {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.topbar-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.theme-toggle,
.button,
.fab {
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    opacity 180ms ease;
}

.theme-toggle,
.button {
  border: 1px solid var(--border);
  background: var(--panel-soft);
  color: var(--text);
  border-radius: 999px;
  padding: 0.85rem 1.1rem;
  cursor: pointer;
  backdrop-filter: blur(18px);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.theme-toggle-icon {
  font-size: 0.95rem;
  line-height: 1;
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), #ecffbb);
  color: #0d1207;
  border-color: transparent;
  font-weight: 800;
}

.button.ghost {
  background: transparent;
}

.button.danger {
  color: var(--danger);
}

.button.compact {
  padding: 0.55rem 0.8rem;
}

.button:hover,
.theme-toggle:hover,
.fab:hover {
  transform: translateY(-1px);
}

.button:active,
.theme-toggle:active,
.fab:active {
  transform: scale(0.98);
}

.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.session-dock {
  min-height: 4.25rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(20px);
  margin-bottom: 1rem;
  width: 100%;
  overflow: hidden;
}

.session-dock.is-live {
  border-color: var(--border-strong);
  background: linear-gradient(135deg, rgba(210, 255, 114, 0.14), rgba(255, 255, 255, 0.03));
}

.session-dock-main {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex: 1;
  min-width: 0;
}

.session-dock p,
.helper-row,
.metric-card small,
.goal-card small,
.chart-meta,
.sheet-subtitle {
  color: var(--muted);
}

.live-dot {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(210, 255, 114, 0.4);
  animation: pulse 1.8s infinite;
}

.nav-tabs {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.45rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.03));
  margin-bottom: 1rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.nav-tabs::-webkit-scrollbar {
  display: none;
}

.nav-tabs a {
  white-space: nowrap;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  color: var(--muted);
  min-height: 2.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-tabs a.active {
  background: var(--panel);
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--border);
}

.brand-block,
.topbar-actions,
.nav-tabs,
.session-dock,
.section-head > div,
.row-actions > form {
  min-width: 0;
}

.content,
.flash-stack,
.stack,
.stack-lg,
.list-cards,
.simple-list,
.goal-grid,
.chip-grid,
.sheet-stack {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.view-stage {
  animation: viewIn 240ms ease;
}

.view-stage.is-transitioning {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 140ms ease, transform 140ms ease;
}

.hero {
  margin: 0.8rem 0 0.9rem;
  align-items: end;
}

.hero h1,
.panel h1,
.panel h2,
.sheet-header h3 {
  margin: 0;
}

.eyebrow,
.pill,
.timer-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.34rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.84rem;
}

.timer-pill {
  color: var(--text);
  font-weight: 700;
  min-width: 7.5rem;
}

.panel,
.metric-card,
.goal-card,
.chart-card,
.sheet {
  background: linear-gradient(180deg, var(--panel), var(--panel-strong));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.panel {
  padding: 1.15rem;
}

.panel.narrow,
.auth-panel {
  max-width: 36rem;
  margin: 2.5rem auto 0;
}

.panel-live {
  border-color: var(--border-strong);
}

.metric-grid,
.grid-two {
  flex-wrap: wrap;
}

.metric-grid > *,
.grid-two > * {
  flex: 1 1 19rem;
  min-width: 0;
}

.metric-card {
  padding: 1rem;
}

.metric-card strong {
  display: block;
  margin: 0.45rem 0;
  font-size: 2rem;
}

.muted {
  color: var(--muted);
}

label,
.stack label {
  display: grid;
  gap: 0.45rem;
}

input,
select,
textarea {
  width: 100%;
  max-width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

textarea {
  resize: vertical;
}

.filter-grid,
.row-actions,
.sheet-actions,
.quick-set-hero,
.helper-row {
  flex-wrap: wrap;
}

.filter-grid label {
  flex: 1 1 12rem;
  min-width: 0;
}

.list-card {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  border-radius: 1.1rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.025);
  transform: translateY(0);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
  width: 100%;
  min-width: 0;
}

.list-card.static {
  align-items: start;
}

.list-card:hover {
  transform: translateY(-1px);
  border-color: var(--border-strong);
}

.stretch-link {
  position: absolute;
  inset: 0;
}

.row-actions {
  position: relative;
  z-index: 1;
  justify-content: end;
  align-items: center;
}

.goal-grid {
  flex-wrap: wrap;
}

.goal-grid > * {
  flex: 1 1 15rem;
}

.goal-card {
  padding: 1rem;
}

.progress-bar {
  width: 100%;
  height: 0.75rem;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
  margin: 0.7rem 0 0.55rem;
}

.progress-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-strong), var(--accent));
}

.flash {
  padding: 0.95rem 1rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: var(--panel);
  animation: flashIn 240ms ease;
}

.flash.success {
  border-color: rgba(120, 217, 141, 0.35);
}

.flash.error {
  border-color: rgba(255, 124, 124, 0.35);
}

.set-table-wrap {
  overflow-x: auto;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

.set-table {
  width: 100%;
  min-width: 32rem;
  border-collapse: collapse;
}

.set-table th,
.set-table td {
  padding: 0.8rem 0.55rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.set-note-row td {
  color: var(--muted);
  font-size: 0.95rem;
}

.helper-row {
  margin-top: 1rem;
}

.chart-card {
  min-height: 18rem;
  padding: 1rem;
}

.chart-svg {
  width: 100%;
  height: 16rem;
}

.fab {
  position: fixed;
  right: 1rem;
  bottom: calc(1rem + var(--safe-bottom));
  width: 4rem;
  height: 4rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #ecffbb);
  color: #0d1207;
  font-size: 2rem;
  font-weight: 800;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.34);
  z-index: 30;
  touch-action: manipulation;
}

.overlay-root {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  overflow: hidden;
}

.overlay-root.is-open {
  pointer-events: auto;
}

.overlay-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6, 8, 10, 0.58);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 180ms ease;
}

.overlay-root.is-visible .overlay-backdrop {
  opacity: 1;
}

.sheet {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  max-width: 44rem;
  margin: 0 auto;
  padding: 1rem 1rem calc(1rem + var(--safe-bottom));
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  transform: translateY(100%);
  transition: transform 220ms ease;
  max-height: min(82dvh, 46rem);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  touch-action: pan-y;
}

.overlay-root.is-visible .sheet {
  transform: translateY(0);
}

.sheet-close {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.sheet-search {
  margin-top: 0.3rem;
  flex: 0 0 auto;
}

.sheet-flow {
  max-width: 38rem;
}

.sheet-progress {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  margin: 0.8rem 0 0.95rem;
}

.sheet-progress-step {
  display: grid;
  gap: 0.18rem;
  padding: 0.7rem 0.8rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
}

.sheet-progress-step span {
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.sheet-progress-step strong {
  font-size: 0.98rem;
}

.sheet-progress-step.is-current {
  border-color: var(--border-strong);
  background: var(--accent-soft);
  color: var(--text);
}

.sheet-progress-step.is-complete {
  color: var(--text);
}

.segment-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
  margin: 0.8rem 0 0.95rem;
}

.segment-tab {
  padding: 0.8rem 0.65rem;
  border-radius: 0.95rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
}

.segment-tab.is-active {
  border-color: var(--border-strong);
  background: var(--accent-soft);
  color: var(--text);
}

.exercise-picker-list {
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 0.1rem;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.exercise-choice,
.chip-button,
.value-button {
  width: 100%;
  text-align: left;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.exercise-choice {
  padding: 0.95rem 1rem;
}

.exercise-choice strong,
.chip-button strong {
  display: block;
}

.chip-grid {
  grid-template-columns: repeat(auto-fit, minmax(4.5rem, 1fr));
  width: 100%;
}

.chip-button,
.value-button {
  padding: 0.9rem 0.7rem;
  text-align: center;
  cursor: pointer;
}

.chip-button.is-active,
.value-button.is-active {
  background: var(--accent-soft);
  border-color: var(--border-strong);
  color: var(--text);
}

.picker-toolbar {
  margin-top: 0.6rem;
}

.sheet-step-head,
.sheet-summary {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.sheet-card-hero {
  padding: 1rem;
}

.chip-grid-weights {
  grid-template-columns: repeat(auto-fit, minmax(4.75rem, 1fr));
}

.chip-grid-reps {
  grid-template-columns: repeat(auto-fit, minmax(4.6rem, 1fr));
}

.sheet-card {
  padding: 0.85rem;
  border: 1px solid var(--border);
  border-radius: 1.15rem;
  background: rgba(255, 255, 255, 0.025);
  overflow: hidden;
}

.sheet-grid {
  display: grid;
  gap: 0.9rem;
}

.sheet-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 0.1rem;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  touch-action: pan-y;
}

.value-field {
  display: grid;
  gap: 0.55rem;
}

.value-button {
  font-size: 1.05rem;
  font-weight: 700;
}

.manual-inline {
  display: none;
  margin-top: 0.8rem;
}

.manual-inline.is-visible {
  display: block;
}

.confirm-copy {
  margin: 0.25rem 0 0;
  color: var(--muted);
}

.confirm-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.empty-state {
  padding: 1.1rem;
  border: 1px dashed var(--border);
  border-radius: 1rem;
  text-align: center;
  color: var(--muted);
}

.auth-panel {
  text-align: left;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(210, 255, 114, 0.4);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(210, 255, 114, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(210, 255, 114, 0);
  }
}

@keyframes viewIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes flashIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: max(0.65rem, env(safe-area-inset-top)) 0.75rem calc(8.5rem + var(--safe-bottom));
  }

  .topbar,
  .hero,
  .section-head,
  .session-dock,
  .sheet-header,
  .chart-meta {
    flex-direction: column;
    align-items: start;
  }

  .topbar-actions,
  .row-actions,
  .sheet-actions,
  .session-dock form,
  .session-dock .button,
  .session-dock-main,
  .button {
    width: 100%;
  }

  .topbar-actions {
    flex-direction: row;
    align-items: flex-start;
    width: auto;
  }

  .topbar {
    padding: 0.55rem 0.35rem 0.8rem;
    border-radius: 1.15rem;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.06);
  }

  .row-actions {
    justify-content: stretch;
  }

  .theme-toggle {
    width: auto;
    min-width: 2.75rem;
    padding: 0.7rem;
    gap: 0;
    justify-content: center;
    flex: 0 0 auto;
  }

  .theme-toggle-label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .session-dock {
    padding: 0.8rem;
    border-radius: 1.15rem;
  }

  .nav-tabs {
    padding: 0.38rem;
    border-radius: 1.15rem;
  }

  .nav-tabs a {
    padding: 0.72rem 0.9rem;
    min-height: 2.7rem;
  }

  .panel,
  .metric-card,
  .goal-card,
  .chart-card {
    padding: 0.95rem;
  }

  .list-card,
  .exercise-choice {
    padding: 0.9rem;
  }

  .sheet-progress {
    gap: 0.5rem;
    margin: 0.7rem 0 0.85rem;
  }

  .sheet-progress-step {
    padding: 0.65rem 0.7rem;
  }

  .sheet-card-hero {
    padding: 0.9rem;
  }

  .pill,
  .timer-pill,
  .eyebrow {
    max-width: 100%;
    white-space: normal;
  }

  .set-table {
    min-width: 28rem;
  }

  .fab {
    right: 0.85rem;
    bottom: calc(0.85rem + var(--safe-bottom));
    width: 3.6rem;
    height: 3.6rem;
    font-size: 1.8rem;
  }

  .sheet {
    border-radius: 1.35rem 1.35rem 0 0;
    max-width: none;
    left: 0.5rem;
    right: 0.5rem;
    width: auto;
    max-height: min(86dvh, 44rem);
    padding: 0.9rem 0.9rem calc(0.9rem + var(--safe-bottom));
  }

  .sheet-flow {
    inset: 0;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;
    width: 100%;
    max-width: none;
    max-height: 100dvh;
    border-radius: 0;
    padding:
      max(0.9rem, env(safe-area-inset-top))
      0.85rem
      calc(0.95rem + var(--safe-bottom));
  }

  .picker-toolbar {
    align-items: flex-start;
  }

  .chip-grid {
    grid-template-columns: repeat(auto-fit, minmax(4rem, 1fr));
  }

  .chip-grid-weights {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .chip-grid-reps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .segment-tabs {
    position: sticky;
    top: 0;
    z-index: 2;
    background: linear-gradient(180deg, var(--panel-strong), rgba(31, 36, 40, 0.86));
    padding-bottom: 0.25rem;
    margin: 0.75rem 0 0.85rem;
  }

  html[data-theme="light"] .segment-tabs {
    background: linear-gradient(180deg, var(--panel-strong), rgba(255, 255, 255, 0.92));
  }

  .segment-tab {
    min-height: 3.15rem;
    font-weight: 700;
  }

  .confirm-actions {
    flex-direction: column-reverse;
  }
}